Finding the Fourth Proportional to 5,736,136.23, 7,915,625.50 and 3,122,585.98
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Solution
The fourth proportional to 5,736,136.23, 7,915,625.50 and 3,122,585.98 is: 4,309,036.64
Step by Step Solution
- Step 1: Write the proportion equation
5,736,136.23 : 7,915,625.50 = 3,122,585.98 : x - Step 2: Convert to fraction form
5,736,136.23/7,915,625.50 = 3,122,585.98/x - Step 3: Cross multiply
5,736,136.23x = 7,915,625.50 × 3,122,585.98 - Step 4: Simplify right side
5,736,136.23x = 24,717,221,154,039.43 - Step 5: Solve for x
x = 24,717,221,154,039.43/5,736,136.23 - Step 6: Final answer
x = 4,309,036.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.